Being on the farther side of the Alps in regard to Rome, that is, on the north or west side of the Alps; of or pertaining to the region or the people beyond the Alps; as, transalpine Gaul; -- opposed to cisalpine.
on or relating to or characteristic of the region or peoples beyond the Alps from Italy (or north of the Alps); "ancient transalpine Gaul was an area northwest of the Alps and included modern France and Belgium"; "Cracow was a transalpine university"